
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
  <head>
    <title>学生管理系统首页</title>
  </head>
  <body>
  <c:if test="${sessionScope.username eq null}">
    <a href="${pageContext.request.contextPath}/login.jsp">请登陆</a>
  </c:if>

  <c:if test="${sessionScope.username ne null}">
    <a href="${pageContext.request.contextPath}/addStudent.jsp">添加学生</a>
    <a href="${pageContext.request.contextPath}/listStudentServlet.jsp">查看学生</a>

  </c:if>
  </body>
</html>
